EP1445955A4 - Bildcodierungsverfahren, bilddecodierungsverfahren, bildcodierer, bilddecodierer, programm, computerdatensignal und bildübertragungssystem - Google Patents

Bildcodierungsverfahren, bilddecodierungsverfahren, bildcodierer, bilddecodierer, programm, computerdatensignal und bildübertragungssystem

Info

Publication number
EP1445955A4
EP1445955A4 EP02780117A EP02780117A EP1445955A4 EP 1445955 A4 EP1445955 A4 EP 1445955A4 EP 02780117 A EP02780117 A EP 02780117A EP 02780117 A EP02780117 A EP 02780117A EP 1445955 A4 EP1445955 A4 EP 1445955A4
Authority
EP
European Patent Office
Prior art keywords
image
encoder
program
data signal
transmission system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02780117A
Other languages
English (en)
French (fr)
Other versions
EP1445955A1 (de
Inventor
Mitsuru Kobayashi
Shunichi Sekiguchi
Satoru Adachi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Priority to EP20100162686 priority Critical patent/EP2222083A2/de
Priority to EP20100162717 priority patent/EP2222084A2/de
Publication of EP1445955A1 publication Critical patent/EP1445955A1/de
Publication of EP1445955A4 publication Critical patent/EP1445955A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/197—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including determination of the initial value of an encoding parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
EP02780117A 2001-11-16 2002-11-18 Bildcodierungsverfahren, bilddecodierungsverfahren, bildcodierer, bilddecodierer, programm, computerdatensignal und bildübertragungssystem Withdrawn EP1445955A4 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20100162686 EP2222083A2 (de) 2001-11-16 2002-11-18 Bildcodierungs- und Bilddecodierungsverfahren
EP20100162717 EP2222084A2 (de) 2001-11-16 2002-11-18 Bildcodierungs- und Bilddecodierungsverfahren

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001352377 2001-11-16
JP2001352377 2001-11-16
PCT/JP2002/012012 WO2003043346A1 (fr) 2001-11-16 2002-11-18 Procede de codage d'image, procede de decodage d'image, codeur et decodeur d'image, programme, signal de donnees informatiques et systeme d'emission d'image

Publications (2)

Publication Number Publication Date
EP1445955A1 EP1445955A1 (de) 2004-08-11
EP1445955A4 true EP1445955A4 (de) 2009-10-28

Family

ID=19164563

Family Applications (3)

Application Number Title Priority Date Filing Date
EP20100162717 Withdrawn EP2222084A2 (de) 2001-11-16 2002-11-18 Bildcodierungs- und Bilddecodierungsverfahren
EP02780117A Withdrawn EP1445955A4 (de) 2001-11-16 2002-11-18 Bildcodierungsverfahren, bilddecodierungsverfahren, bildcodierer, bilddecodierer, programm, computerdatensignal und bildübertragungssystem
EP20100162686 Withdrawn EP2222083A2 (de) 2001-11-16 2002-11-18 Bildcodierungs- und Bilddecodierungsverfahren

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20100162717 Withdrawn EP2222084A2 (de) 2001-11-16 2002-11-18 Bildcodierungs- und Bilddecodierungsverfahren

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20100162686 Withdrawn EP2222083A2 (de) 2001-11-16 2002-11-18 Bildcodierungs- und Bilddecodierungsverfahren

Country Status (5)

Country Link
US (1) US7251371B2 (de)
EP (3) EP2222084A2 (de)
JP (1) JP3764457B2 (de)
CN (1) CN100499810C (de)
WO (1) WO2003043346A1 (de)

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CN101448162B (zh) 2001-12-17 2013-01-02 微软公司 处理视频图像的方法
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc DC coefficient signaling at small quantization step sizes
US20050259734A1 (en) * 2004-05-21 2005-11-24 Timothy Hellman Motion vector generator for macroblock adaptive field/frame coded video data
JP4799377B2 (ja) * 2006-11-17 2011-10-26 キヤノン株式会社 画像符号化装置
KR101539240B1 (ko) * 2007-06-14 2015-07-30 삼성전자주식회사 영상 데이터의 엔트로피 부호화, 복호화 방법 및 장치
US9648325B2 (en) 2007-06-30 2017-05-09 Microsoft Technology Licensing, Llc Video decoding implementations for a graphics processing unit
JP4382840B2 (ja) * 2007-08-20 2009-12-16 Ｎｔｔエレクトロニクス株式会社 ２値算術符号化装置
JP5166339B2 (ja) * 2008-03-28 2013-03-21 三星電子株式会社 画像のイントラ予測モード情報の符号化及び／又は復号化方法及び装置
JP5258664B2 (ja) * 2009-04-14 2013-08-07 株式会社エヌ・ティ・ティ・ドコモ 画像符号化装置、方法およびプログラム、並びに、画像復号装置、方法およびプログラム
SG10201402451XA (en) * 2009-05-29 2014-07-30 Mitsubishi Electric Corp Image encoding device, image decoding device, image encoding method, and image decoding method
CN101646086B (zh) * 2009-08-21 2011-07-20 香港应用科技研究院有限公司 用于4×4块变换系数标示的前文参考模型化的方法及装置
WO2011052142A1 (ja) * 2009-10-29 2011-05-05 パナソニック株式会社 画像符号化方法および画像復号方法
CN105472394B (zh) 2010-01-15 2018-11-30 三星电子株式会社 用于预测编码的使用可变分区的视频编码的方法和设备以及用于预测编码的使用可变分区的视频解码的方法和设备
JP5706771B2 (ja) 2010-07-30 2015-04-22 キヤノン株式会社 動画像の予測符号化装置及びその制御方法、コンピュータプログラム
US9042440B2 (en) * 2010-12-03 2015-05-26 Qualcomm Incorporated Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding
US20120163456A1 (en) 2010-12-22 2012-06-28 Qualcomm Incorporated Using a most probable scanning order to efficiently code scanning order information for a video block in video coding
KR101888218B1 (ko) * 2011-01-19 2018-08-13 선 페이턴트 트러스트 화상 부호화 방법, 화상 복호 방법, 화상 부호화 장치, 화상 복호 장치, 및 화상 부호화 복호 장치
US20120207400A1 (en) * 2011-02-10 2012-08-16 Hisao Sasai Image coding method, image coding apparatus, image decoding method, image decoding apparatus, and image coding and decoding apparatus
US10397577B2 (en) 2011-03-08 2019-08-27 Velos Media, Llc Inverse scan order for significance map coding of transform coefficients in video coding
US9106913B2 (en) 2011-03-08 2015-08-11 Qualcomm Incorporated Coding of transform coefficients for video coding
US9491469B2 (en) 2011-06-28 2016-11-08 Qualcomm Incorporated Coding of last significant transform coefficient
WO2013096671A1 (en) * 2011-12-20 2013-06-27 General Instrument Corporation Method and apparatus for efficient transform unit encoding
TWI573436B (zh) * 2012-01-20 2017-03-01 三星電子股份有限公司 用於並行熵編碼的方法及裝置以及用於並行熵解碼的方法及裝置以及非暫時性電腦可讀記錄媒體
JP6156723B2 (ja) * 2012-03-08 2017-07-05 サン パテント トラスト 画像符号化方法、画像復号化方法、画像符号化装置および画像復号化装置
AU2012232992A1 (en) * 2012-09-28 2014-04-17 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding the transform units of a coding unit
US20150189269A1 (en) * 2013-12-30 2015-07-02 Google Inc. Recursive block partitioning
US9877048B2 (en) * 2014-06-09 2018-01-23 Qualcomm Incorporated Entropy coding techniques for display stream compression (DSC)
KR101573334B1 (ko) 2014-08-07 2015-12-01 삼성전자주식회사 영상 데이터의 엔트로피 부호화, 복호화 방법 및 장치
KR101540563B1 (ko) 2014-12-01 2015-08-06 삼성전자주식회사 영상 데이터의 엔트로피 부호화, 복호화 방법 및 장치
KR101573684B1 (ko) 2015-03-16 2015-12-11 삼성전자주식회사 영상 데이터의 엔트로피 부호화, 복호화 방법 및 장치
US10171810B2 (en) 2015-06-22 2019-01-01 Cisco Technology, Inc. Transform coefficient coding using level-mode and run-mode
KR101573340B1 (ko) 2015-06-24 2015-12-11 삼성전자주식회사 영상 데이터의 엔트로피 부호화, 복호화 방법 및 장치
KR101731431B1 (ko) 2015-11-25 2017-04-28 삼성전자주식회사 영상 데이터의 엔트로피 부호화, 복호화 방법 및 장치
KR20180089290A (ko) * 2017-01-31 2018-08-08 세종대학교산학협력단 영상의 부호화/복호화 방법 및 장치
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EP0267578A1 (de) * 1986-11-10 1988-05-18 Kokusai Denshin Denwa Co., Ltd Kodiersystem hoher Leistung durch der Quantisierung vorhergehende und/oder nachfolgende Verarbeitung
EP0470773A2 (de) * 1990-08-06 1992-02-12 Matsushita Electric Industrial Co., Ltd. Vorrichtung zur orthogonalen Transformationskodierung
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EP0267578A1 (de) * 1986-11-10 1988-05-18 Kokusai Denshin Denwa Co., Ltd Kodiersystem hoher Leistung durch der Quantisierung vorhergehende und/oder nachfolgende Verarbeitung
EP0470773A2 (de) * 1990-08-06 1992-02-12 Matsushita Electric Industrial Co., Ltd. Vorrichtung zur orthogonalen Transformationskodierung
US5475502A (en) * 1991-12-23 1995-12-12 Goldstar Co., Ltd. Variable length-adaptive image data compression method and apparatus
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See also references of WO03043346A1 *

Also Published As

Publication number Publication date
EP2222083A2 (de) 2010-08-25
WO2003043346A1 (fr) 2003-05-22
US20040131272A1 (en) 2004-07-08
US7251371B2 (en) 2007-07-31
JPWO2003043346A1 (ja) 2005-03-10
EP1445955A1 (de) 2004-08-11
EP2222084A2 (de) 2010-08-25
CN100499810C (zh) 2009-06-10
CN1633811A (zh) 2005-06-29
JP3764457B2 (ja) 2006-04-05
WO2003043346A8 (fr) 2005-03-24

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